Goodwill and Other Intangible Assets (Details 3) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Net, beginning balance	$ 7,585	$ 8,950	$ 32,264
Amortization	(6,018)	(2,017)	(4,664)
Impairment			(5,048)
Reduction to other intangible assets			(12,408)
Currency translation adjustments	9	652	(1,194)
Finite-Lived Intangible Assets, Net, ending balance	174,838	7,585	8,950
Barcas Field Services, LLC [Member]
Finite-Lived Intangible Assets [Line Items]
Customer contract intangible asset acquired	6,930
Mid-America Midstream Gas Services, LLC [Member]
Finite-Lived Intangible Assets [Line Items]
Customer contract intangible asset acquired	$ 166,332